STUDYING OF ACCLIMATION OF THE CYANOBACTERIUM HAPLOSIPHON SP. FS 44 TO THE COMBINATION EFFECTS OF PH AND CARBON DIOXIDE CONCENTRATION

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SHOKRAVI SH.; SAFAIE M.; JORJANI S.

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Journal: JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY Year:2010 | Volume:5 | Issue:3 (19) Page(s): 31-42

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Title

STUDYING OF ACCLIMATION OF THE CYANOBACTERIUM HAPLOSIPHON SP. FS 44 TO THE COMBINATION EFFECTS OF PH AND CARBON DIOXIDE CONCENTRATION

Author(s)

SHOKRAVI SH. | SAFAIE M. | JORJANI S. | Issue Writer Certificate

Keywords

ACCLIMATIONQ2

CYANOBACTERIUMQ2

GOLESTANQ2

HAPALOSIPHONQ2

PADDY FIELDQ3

Abstract

The aim of this research was studying of the ACCLIMATION of the CYANOBACTERIUM Haplosiphon sp. FS 44 to combination effects of carbon dioxide concentration and acidity and alkalinity. This strain seems common but ecophysiologically unexplored in paddy-fields of GOLESTAN province. Axenic strain has been incubated in BG-11 medium. Carbon dioxide treatments were uninoculation and relatively inoculated. In each treatments acidic (pH 5), neutral (pH7) and alkaline (pH 9) conditions have been treated. Survival, growth, chlorophyll, phycocyanin, allophycocyanin, phycoerythrin contents in addition of ammonium liberation, frequency and biometery of heterocysts, have been evaluated in each treatments. Results showed that like other explored stigonematalean and nostocalean cyanobacteria, this strain can not growth in acidic condition. The difference of growth rates seems insignificant between acidic and alkaline conditions but carbon dioxide enrichments cause significant increase of growth rate. Phycobilisome system of this strain lack phycoerythrin and may complete structure both at the core and the rode at alkaline conditions. Heterocyst frequency and biometery reach to maximum rate at the alkaline conditions and seems positive correlation with nitrogenase activity. Heterocyst show cylindrical morphology at the 4th and sub-cylindrical at the 5th after inoculation. Collectively results beside the other cyanobacteria show this strain such potent as been used as biofertilizer.

Cites

بررسی تنوع پذیری مورفولوژیک سیانوباکتریوم خاکزی Hapalosiphon sp. FS56 در شرایط توام pH، محدودیت نسبی دی اکسید کربن و محدودیت افراطی شدت نور

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APA: Copy

SHOKRAVI, SH., SAFAIE, M., & JORJANI, S.. (2010). STUDYING OF ACCLIMATION OF THE CYANOBACTERIUM HAPLOSIPHON SP. FS 44 TO THE COMBINATION EFFECTS OF PH AND CARBON DIOXIDE CONCENTRATION. JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY, 5(3 (19)), 31-42. SID. https://sid.ir/paper/185750/en

Vancouver: Copy

SHOKRAVI SH., SAFAIE M., JORJANI S.. STUDYING OF ACCLIMATION OF THE CYANOBACTERIUM HAPLOSIPHON SP. FS 44 TO THE COMBINATION EFFECTS OF PH AND CARBON DIOXIDE CONCENTRATION. JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY[Internet]. 2010;5(3 (19)):31-42. Available from: https://sid.ir/paper/185750/en

IEEE: Copy

SH. SHOKRAVI, M. SAFAIE, and S. JORJANI, “STUDYING OF ACCLIMATION OF THE CYANOBACTERIUM HAPLOSIPHON SP. FS 44 TO THE COMBINATION EFFECTS OF PH AND CARBON DIOXIDE CONCENTRATION,” JOURNAL OF PLANT ENVIRONMENTAL PHYSIOLOGY, vol. 5, no. 3 (19), pp. 31–42, 2010, [Online]. Available: https://sid.ir/paper/185750/en

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